Fitting Study 2                                                                        Kenji Hamano

Last modified : Feb 07, 2007                                              Back to Home 0Back to privious page

R16b skims Run2 was used.
On Peak data luminosity: 59.4 fb-1

Tihghter Kaon Selection is applied.
D prob > 0.001 and B prob > 0.01 applied
|cosTheta_{Dl-nonDl}| < 0.92 applied

TrkEff, PID correction applied

Use OffPeak
Float only total Bkground.

Effect of D** on Fit Results

1. D** old FF2. D** new FF3. D** new FF, D*lnu slope 4. D** new FF, D* slope, background fixed
chi-sq / nof358.033 / 203333.551 / 203288.142 / 203300.693 / 203
D*lnu slopen/an/a1.30938 +- 0.0315782 (2.4117 %)1.29371 +- 0.0305643 (2.36253 %)
Dlnu slope1.49798 +- 0.024048 (1.60536 %)1.47395 +- 0.0116474 (0.790213 %)1.37495 +- 0.0211621 (1.53912 %)1.37016 +- 0.0344458 (2.514 %)
raw Bp->Dlnu0.0267426 +- 0.001030730.0267451 +- 0.001018830.0267182 +- 0.001009260.0288449 +- 0.000940863
Bp->D*lnu0.05629 +- 0.001413670.0557658 +- 0.001390030.0549214 +- 0.00142250.0580225 +- 0.00120064
Bp->D**/D(*)Pilnu0.0204914 +- 0.00100880.0206597 +- 0.0009919680.0209455 +- 0.001009660.0211746 +- 0.00102403
sum0.1035240.1031710.1025850.108042
normalised Bp->Dlnu0.0282605 +- 0.00108924 (3.85427 %)0.02836 +- 0.00108035 (3.80942 %)0.0284932 +- 0.0010763 (3.77741 %)0.0292075 +- 0.000952689 (3.2618 %)
Bp->D*lnu0.059485 +- 0.00149391 (2.51141 %)0.0591329 +- 0.00147396 (2.49263 %)0.0585699 +- 0.001517 (2.59007 %)0.0587518 +- 0.00121573 (2.06926 %)
Bp->D**/D(*)Pilnu0.0216545 +- 0.00106606 (4.92306 %)0.0219071 +- 0.00105186 (4.80146 %)0.0223369 +- 0.00107674 (4.82044 %)0.0214407 +- 0.0010369 (4.83613 %)
sum0.10940.10940.10940.1094
D0 background0.986551 +- 0.030683 (3.11013 %)0.963127 +- 0.0304978 (3.16654 %)0.924244 +- 0.030957 (3.34945 %)1.0 (fixed)
D+ background0.806837 +- 0.0653178 (8.09554 %)0.793162 +- 0.0649628 (8.19036 %)0.77727 +- 0.0641512 (8.2534 %)1.0 (fixed)
f_+01.04506 +- 0.0371182 (3.55178 %)1.05322 +- 0.0369689 (3.51007 %)1.0719 +- 0.0371489 (3.46571 %)0.985091 +- 0.0264068 (2.68065 %)
c_+00.938586 +- 0.0290202 (3.0919 %)0.940416 +- 0.0288046 (3.06296 %)0.94534 +- 0.0286633 (3.03206 %)0.873566 +- 0.0187151 (2.14238 %)
Fit resultsdetailsdetailsdetailsdetails
1. D** old FF2. D** new FF3. D** new FF, D*lnu slope4. D** new FF, D*lnu slope, background fixed
Plots Lepton momentum (On-Off) Lepton momentum (On-Off) Lepton momentum (On-Off) Lepton momentum
Plots D momentum (On-Off) D momentum (On-Off) D momentum (On-Off) D momentum
Plots cosBY (On-Off) cosBY (On-Off) cosBY (On-Off) cosBY
Plots Lepton momentum (bin by bin, D0) (On-Off) Lepton momentum (bin by bin, D0) (On-Off) Lepton momentum (bin by bin, D0) (On-Off) Lepton momentum (bin by bin, D0)
Plots Lepton momentum (bin by bin, Dch) (On-Off) Lepton momentum (bin by bin, Dch) (On-Off)Lepton momentum (bin by bin, Dch) (On-Off) Lepton momentum (bin by bin, Dch)
Plots D momentum (bin by bin, D0) (On-Off) D momentum (bin by bin, D0) (On-Off) D momentum (bin by bin, D0) (On-Off) D momentum (bin by bin, D0)
Plots D momentum (bin by bin, Dch) (On-Off) D momentum (bin by bin, Dch) (On-Off) D momentum (bin by bin, Dch) (On-Off) D momentum (bin by bin, Dch)
Plots cosBY (bin by bin, D0) (On-Off) cosBY (bin by bin, D0) (On-Off) cosBY (bin by bin, D0) (On-Off) cosBY (bin by bin, D0)
Plots cosBY (bin by bin, Dch) (On-Off) cosBY (bin by bin, ch0) (On-Off) cosBY (bin by bin, Dch) (On-Off) cosBY (bin by bin, Dch)
new RNTablefit resultfit result
new RNTablechis-sq plotPlots are here



If you remove the three lowest p_D bins at the lowest p_l and cosBY bins
Removed 2 bins each from D0 and D+
Fitting result is here
Chisq / ndof = 253.47 / 197-7 = 190
Plots are here


If you remove the three lowest p_D plus the lowest and highest cosBY bins
Fitting result is here
Chisq / ndof = 157.598 / 127-7 = 120
Plots are here


If you remove the three lowest p_D plus plus the lowest p_D bins
Fitting result is here
Chisq / ndof = 189.865 / 170-7 = 163
Plots are here


If you remove the three lowest p_D plus the lowest and highest cosBY bins plus the lowest p_D bins
Fitting result is here
Chisq / ndof = 115.294 / 110 - 7 = 103
Plots are here


If you remove the three lowest p_D plus plus the lowest p_D bins and cosBY==3 (D dominant)
Fitting result is here
Chisq / ndof = 36.1341 / 40-7 = 33


If you remove the three lowest p_D plus plus the lowest p_D bins and cosBY==1 (D* dominant)
Fitting result is here
Chisq / ndof = 18.5848 / 30-7 = 23